योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-110, verse-52

नानापुरसरिच्छैलरूपतामेत्य देहिनाम् ।
तनोत्यन्तःस्थमेवेदं जाग्रत्स्वप्नमयं मनः ॥ ५२ ॥

nānāpurasaricchailarūpatāmetya dehinām ,
tanotyantaḥsthamevedaṃ jāgratsvapnamayaṃ manaḥ 52

52. nānāpurasaricchailarūpatām etya dehinām | tanoti
antaḥstham eva idam jāgratsvapnamayam manaḥ ||

52. dehinām nānāpurasaricchailarūpatām etya,
antaḥstham idam manaḥ eva jāgratsvapnamayam tanoti.

52. Assuming the forms of various cities, rivers, and mountains for embodied beings (dehinām), this very mind (manas), dwelling within, expands itself as the states of waking and dreaming.

Words meanings summery:

• नानापुरसरिच्छैलरूपताम् (nānāpurasaricchailarūpatām) - the forms of various cities, rivers, and mountains (the state of being forms of various cities, rivers, and mountains)

• एत्य (etya) - having assumed (the forms) (having gone, having attained, having reached, having approached, having assumed)

• देहिनाम् (dehinām) - for embodied beings (dehinām) (of embodied beings, for living beings)

• तनोति (tanoti) - extends, expands itself (extends, spreads, performs, creates)

• अन्तःस्थम् (antaḥstham) - dwelling within (situated within, inner, internal)

• एव (eva) - very, indeed (emphatic) (only, indeed, just, precisely)

• इदम् (idam) - this (referring to the mind) (this, this one)

• जाग्रत्स्वप्नमयम् (jāgratsvapnamayam) - as the states of waking and dreaming (consisting of waking and dream states)

• मनः (manaḥ) - the mind (manas) (mind, intellect, heart, thought)

Words meanings and morphology

नानापुरसरिच्छैलरूपताम् (nānāpurasaricchailarūpatām) - the forms of various cities, rivers, and mountains (the state of being forms of various cities, rivers, and mountains)

(noun)

Accusative, feminine, singular of nānāpurasaricchailarūpatā

nānāpurasaricchailarūpatā - state of being various cities, rivers, mountains, and forms

Complex tatpurusha compound

Compound type : tatpurusha (nānā+pura+sarit+śaila+rūpatā)

• nānā – various, manifold, diverse
  indeclinable
• pura – city, town, fortress
  noun (neuter)
• sarit – river
  noun (feminine)
  Root: sṛ (class 1)
• śaila – mountain, rock
  noun (masculine)
• rūpatā – state of having a form, nature, quality, shape
  noun (feminine)
  Derived from rūpa + -tā (abstract noun suffix)

Note: Forms the object of the gerund 'etya'.

एत्य (etya) - having assumed (the forms) (having gone, having attained, having reached, having approached, having assumed)

(indeclinable)

Absolutive/Gerund

Absolutive form of verb root i (to go/approach/attain) with prefix ā- (sometimes implied or part of compound) or simply from i, here meaning 'having assumed'.

Root: i (class 2)

Note: Null for gender/number/case_name as it is an indeclinable participle.

देहिनाम् (dehinām) - for embodied beings (dehinām) (of embodied beings, for living beings)

(noun)

Genitive, masculine, plural of dehin

dehin - embodied being, living creature, soul, person

Derived from deha (body) + -in (possessive suffix)

Note: Indicates purpose or relation.

तनोति (tanoti) - extends, expands itself (extends, spreads, performs, creates)

(verb)

3rd person , singular, active, present (laṭ) of tan

Present Active

Third person singular present active form of verb root tan (class 8)

Root: tan (class 8)

Note: Null for gender/number/case_name as it is a finite verb form.

अन्तःस्थम् (antaḥstham) - dwelling within (situated within, inner, internal)

(adjective)

Nominative, neuter, singular of antaḥstha

antaḥstha - situated within, internal, inner

Compound of antar (within) and stha (standing)

Compound type : bahuvrihi/tatpurusha (antar+stha)

• antar – within, inside, between
  indeclinable
• stha – standing, situated, abiding
  adjective (masculine)
  From root sthā (to stand)
  Root: sthā (class 1)

Note: Agrees with 'manaḥ' (neuter singular nominative).

एव (eva) - very, indeed (emphatic) (only, indeed, just, precisely)

(indeclinable)

Note: Null for gender/number/case_name as it is an indeclinable particle.

इदम् (idam) - this (referring to the mind) (this, this one)

(pronoun)

Nominative, neuter, singular of idam

idam - this, this one, here

Note: Agrees with 'manaḥ'.

जाग्रत्स्वप्नमयम् (jāgratsvapnamayam) - as the states of waking and dreaming (consisting of waking and dream states)

(adjective)

Nominative, neuter, singular of jāgratsvapnamaya

jāgratsvapnamaya - consisting of waking and dream; pertaining to waking and dream

Compound of jāgrat (waking), svapna (dream), and maya (consisting of)

Compound type : tatpurusha/bahuvrihi (jāgrat+svapna+maya)

• jāgrat – waking, awake; the waking state
  noun (masculine)
  Present Active Participle
  Present active participle of root jāgṛ (to wake)
  Root: jāgṛ (class 2)
• svapna – sleep, dream, dream state
  noun (masculine)
  Root: svap (class 2)
• maya – consisting of, made of, full of
  suffix (masculine)
  Suffix used to form adjectives indicating 'made of' or 'consisting of'

Note: Agrees with 'manaḥ' (neuter singular nominative).

मनः (manaḥ) - the mind (manas) (mind, intellect, heart, thought)

(noun)

Nominative, neuter, singular of manas

manas - mind, intellect, thought, heart, consciousness

Root: man (class 4)

Note: Subject of 'tanoti'.